Color Filter Patents (Class 349/106)
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Patent number: 12147113Abstract: A display device and a vehicle monitoring device are provided. The display device includes a display area and an infrared light-transmitting area adjacent to the display area. The display device includes a display panel, a backlight module, and an infrared sensor disposed on a side of the backlight module away from the display panel and corresponding to the infrared light-transmitting area. The display panel includes a display functional layer disposed in the display area. The display functional layer includes a color resist layer disposed in the display area.Type: GrantFiled: November 23, 2021Date of Patent: November 19, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Teng Wu, Gengxiu Diao
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Patent number: 12144207Abstract: An organic light-emitting diode (OLED) display panel and a method of manufacturing the same are disclosed. The OLED display panel includes a base substrate and a plurality of film layers sequentially deposited on a side of the base substrate in a stacked arrangement in a first direction. The plurality of film layers includes a first planarization layer configured to initially planarize an array substrate, and a second planarization layer configured to further planarize the array substrate. The first planarization layer and the second planarization layer are made of different materials.Type: GrantFiled: November 18, 2020Date of Patent: November 12, 2024Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Letao Zhang
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Patent number: 12124124Abstract: A display device including: a first substrate; a transflective layer disposed on a surface of the first substrate; a wavelength conversion layer disposed on the transflective layer; a capping layer disposed on the wavelength conversion layer, a first polarizing layer disposed on the capping layer; and a second polarizing layer disposed on the other surface of the first substrate. The first polarizing layer and the second polarizing layer have different polarization directions.Type: GrantFiled: November 8, 2023Date of Patent: October 22, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seon Tae Yoon, Jung Hyun Kwon, Ki Soo Park, Hae Il Park, Moon Jung Baek
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Patent number: 12124216Abstract: A beam expanding film includes a first material layer and a photonic crystal layer that expands a width of incident light and emits light having an expanded width. The photonic crystal layer includes a first material layer and a plurality of second material layers buried in the first material layer. A holographic display apparatus includes a backlight unit configured to provide coherent collimated light; a beam expanding film described above and facing the backlight unit; a flat panel arranged between the backlight unit and the beam expanding film to provide a hologram; and a lens configured to focus a holographic image on a space.Type: GrantFiled: July 9, 2021Date of Patent: October 22, 2024Assignees: SAMSUNG ELECTRONICS CO., LTD., Korea University Research and Business Foundation, Sejong CampusInventors: Yunhee Kim, Hwi Kim, Youngjae Kim, Hoon Song, Hongseok Lee
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Patent number: 12117686Abstract: A display substrate and a display device are provided. In the display substrate, the display sub-pixel is located in a display region, the display sub-pixel and includes a first display sub-pixel, a second display sub-pixel, a third display sub-pixel, and a fourth display sub-pixel that emit light of colors different from each other; the dummy sub-pixel is located in a periphery region, the periphery region includes a dummy region and an edge region, the dummy sub-pixel is located in the dummy region of the periphery region, the dummy sub-pixel includes a first dummy sub-pixel, a second dummy sub-pixel, a third dummy sub-pixel, and a fourth dummy sub-pixel; and the display substrate further includes a spacer including a plurality of first spacers and a plurality of second spacers, the plurality of first spacers are located in the periphery region, the plurality of second spacers are located in the display region.Type: GrantFiled: September 8, 2023Date of Patent: October 15, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bo Shi, Bo Wu, Tianwen Hou, Lei Dai
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Patent number: 12118171Abstract: A display device includes a display unit, an upper electrode layer, a lower electrode layer and an electrochromic layer. The display unit includes a plurality of light emitting diodes disposed in a light emitting area. The upper electrode layer is disposed on the display unit, and includes a plurality of first electrode patterns and a plurality of second electrode patterns. The first electrode patterns are arranged in a first direction, and are electrically connected each other. The second electrode patterns are arranged in a second direction intersecting the first direction and are electrically connected each other. The lower electrode layer is disposed between the upper electrode layer and the display unit. The electrochromic layer is disposed between the upper electrode layer and the lower electrode layer, and includes an electrochromic pattern.Type: GrantFiled: December 23, 2022Date of Patent: October 15, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Youngchan Kim, Jinoh Kwag, Jeongwoo Park, Jaeho You, Mingyeong Jo
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Patent number: 12072624Abstract: A display device includes a light emitting layer and color filter arrays. The color filter arrays comprise a first color filter array of a first color, and a second color filter array of a second color. The first color filter array comprises a first pair of color filters adjacent to each other with a first clearance therebetween and a second pair of color filters adjacent to each other with a second clearance therebetween. The second color filter array comprises a first color filter positioned between the first pair of color filters and a second color filter positioned between the second pair of color filters. A width of the first clearance is larger than a width of the second clearance. A width of the first color filter is larger than a width of the second color filter. The second color filter partially overlaps with the second pair of color filters.Type: GrantFiled: March 3, 2021Date of Patent: August 27, 2024Assignee: Canon Kabushiki KaishaInventors: Mitsuhiro Yomori, Yuto Nozaki, Mariko Furuta, Kiyoto Murakumo
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Patent number: 12038643Abstract: A color filter substrate includes a base substrate, a black matrix layer and a color filter layer. The color filter layer includes a plurality of color photoresist units arranged in an array, the plurality of color photoresist units being formed with a plurality of color photoresist rows, a plurality of first color photoresist columns, a plurality of second color photoresist columns and a plurality of third color photoresist columns, and wherein the color filter layer further includes at least one filling part located between the color photoresist rows and has a thickness equal to that of at least one of the plurality of color photoresist units; and the black matrix layer is disposed between the color filter layer and the base substrate, and includes a plurality of light transmitting windows.Type: GrantFiled: May 9, 2023Date of Patent: July 16, 2024Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiaona Liu, Xibin Shao
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Patent number: 12013607Abstract: According to one embodiment, a liquid crystal device includes a plurality of first light-shielding members arranged at a first pitch, a first organic insulating film covering the first light-shielding members, a plurality of second light-shielding members overlapping the first light-shielding members, a second organic insulating film covering the second light-shielding members, a plurality of third light-shielding members overlapping the second light-shielding members, a third organic insulating film covering the third light-shielding members, and a plurality of first electrodes arranged at a second pitch that is smaller than the first pitch.Type: GrantFiled: July 17, 2023Date of Patent: June 18, 2024Assignee: JAPAN DISPLAY INC.Inventors: Junko Nagasawa, Jin Hirosawa
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Patent number: 12007650Abstract: A display for emitting display light comprising: (a) a light source for emitting a source light; and (b) a filter positioned in the path of said source light, said filter comprising at least short, medium and long filters, wherein said short filter is configured to transmit short-primary light from said source light, said short-primary light comprising a violet portion having wavelengths from 400 to 440 nm and at least a second portion having wavelengths above 440 nm such that said short-primary light is perceptually blue, said short-primary light having a short-primary SPD having a short-primary power between 380-780 nm and a blue power between 440-500 nm, wherein said blue power is less than 5% of said short-primary power.Type: GrantFiled: July 26, 2021Date of Patent: June 11, 2024Assignee: KORRUS, INC.Inventor: Aurelien J. F. David
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Patent number: 11968848Abstract: An image sensor includes a first light sensor layer including light sensing cells configured to sense first light of an incident light and generate electrical signals based on the sensed first light, and a color filter array layer disposed on the first light sensor layer, and including color filters respectively facing the light sensing cells. The image sensor further includes a second light sensor layer disposed on the color filter array layer, and configured to sense second light of the incident light and generate an electrical signal based on the sensed second light. Each of the color filters includes a nanostructure including a first material having a first refractive index, and a second material having a second refractive index greater than the first refractive index, the first material and the second material being alternately disposed with a period.Type: GrantFiled: October 15, 2020Date of Patent: April 23, 2024Assignees: SAMSUNG ELECTRONICS CO., LTD., CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: Seunghoon Han, Kwanghee Lee, Yongwan Jin, Yongsung Kim, Changgyun Shin, Jeongyub Lee, Amir Arbabi, Andrei Faraon, Yu Horie
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Patent number: 11960163Abstract: A light control panel includes a first substrate and a second substrate oppositely disposed, and a first liquid crystal layer therebetween; the first substrate includes: a first base substrate; and a signal transmission line on a side of the first base substrate close to the first liquid crystal layer and in the peripheral area, the second substrate includes: a second base substrate; and a first black matrix layer on a side of the second base substrate close to the first liquid crystal layer and in the dimming area and the peripheral area; the first black matrix layer has a slot in the peripheral area, and an orthographic projection of at least a part of the slot on the first base substrate is on a side of an orthographic projection of the signal transmission line on the first base substrate, close to the dimming area.Type: GrantFiled: October 20, 2021Date of Patent: April 16, 2024Assignees: Hefei BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaoting Jiang, Ke Dai, Haipeng Yang, Chunxu Zhang, Min Cheng, Zhou Rui
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Patent number: 11908983Abstract: The present application discloses a display panel and a manufacturing method thereof. The display panel manufacturing method includes forming an LED die including a sacrificial layer on an array substrate, and then coating black glue material on the array substrate. The black glue material covers the array substrate and a surface of the sacrificial layer away from the array substrate. Then, the black glue material and the sacrificial layer are heated, and the black glue material is cured to form a black glue layer such that the sacrificial layer is decomposed. The display panel and the manufacturing method thereof provided by the present application are for improving contrast of the display panel.Type: GrantFiled: May 26, 2021Date of Patent: February 20, 2024Inventor: Junling Liu
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Patent number: 11864425Abstract: An electroluminescent display device includes a plurality of sub-pixels arranged on a substrate along a first direction and a second direction crossing the first direction, and a light-emitting diode disposed in each of the plurality of sub-pixels and including a first electrode, a light-emitting layer and a second electrode, wherein among the plurality of sub-pixels, the sub-pixel of an nth row and an mth column has a same color as the sub-pixel of an (n+1)th row and an (m?1)th column, where n is a natural number and m is a natural number large than 4, and wherein among the plurality of sub-pixels, the sub-pixel of the nth row and a kth column has a same color as the sub-pixel of the nth row and a (k?2)th column, where k is a natural number smaller than or equal to m.Type: GrantFiled: August 13, 2019Date of Patent: January 2, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Heume-Il Baek, Ho-Jin Ryu
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Patent number: 11832490Abstract: An electronic device includes a first electronic unit and a second electronic unit. The first electronic unit emits a blue light having a first spectrum, the first spectrum has a first intensity, and the first intensity is a maximum intensity of the first spectrum. The second electronic unit emits a light having a second spectrum different from the first spectrum, the second spectrum has a second intensity in a range from 300 nm to 460 nm, and the second intensity is a maximum intensity in the range from 300 nm to 460 nm of the second spectrum. The first intensity is greater than the second intensity.Type: GrantFiled: February 23, 2023Date of Patent: November 28, 2023Assignee: InnoLux CorporationInventors: Hsiao-Lang Lin, Tsung-Han Tsai
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Patent number: 11825572Abstract: Tunable LED lighting systems, devices and methods are described herein. A light emitting device includes at least a first phosphor-converted LED configured to emit light having a desaturated orange color point characterized by CIE 1976 color coordinates 0.3<u?<0.35 and v?>0.52 and at least a second phosphor-converted LED configured to emit light having a cyan color point characterized by CIE 1976 color coordinates 0.15<u?<0.20 and 0.47<v?<0.52. The first phosphor-converted LED and the second phosphor-converted LED are arranged to combine the light emitted by the first phosphor-converted LED with the light emitted by the second phosphor-converted LED to provide a white light output from the light emitting device.Type: GrantFiled: December 23, 2020Date of Patent: November 21, 2023Assignee: Lumileds LLCInventors: Wouter Anthon Soer, Werner Goetz
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Patent number: 11815760Abstract: A display panel and a display device are provided. The display panel includes an array substrate, an optical function layer, and an anti-reflection layer. The optical function layer and the anti-reflection layer are located on the array substrate, material of the anti-reflection layer includes a sulfur-containing material, and a refractive index of the anti-reflection layer is between refractive indexes of two film layers adjacent to the anti-reflection layer. Since the refractive index of the anti-reflection layer is between the refractive indexes of the two film layers adjacent to the anti-reflection layer, reflection of external light on the display panel is reduced, thereby improving a display effect of the display panel.Type: GrantFiled: July 2, 2020Date of Patent: November 14, 2023Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yongchao Zhao
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Patent number: 11803000Abstract: An optical filter includes a substrate including a plurality of pixel areas spaced apart from each other and a light-blocking area between the plurality of pixel areas, a plurality of color filters arranged on a first surface of the substrate and corresponding to the plurality of pixel areas, and a plurality of conversion layers arranged on the first surface of the substrate and corresponding to the plurality of color filters. Each of the conversion layers includes inclined side surfaces. The optical filter further includes a reflective layer on the inclined side surfaces of each of the plurality of conversion layers. The reflective layer extends to the light-blocking area and is arranged consecutively on two adjacent inclined side surfaces from among the inclined side surfaces of the plurality of conversion layers and the light-blocking area between the two adjacent inclined side surfaces.Type: GrantFiled: June 21, 2021Date of Patent: October 31, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Minsik Jung, Ohjeong Kwon, Sanggyun Kim, Byoungseong Jeong, Minju Han
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Patent number: 11796864Abstract: An optical structure is provided. The optical structure includes a substrate, a light shielding layer, a light filter layer, and a first spacer. The light shielding layer is disposed on the substrate. The light shielding layer includes a first opening. The light filter layer includes a first portion and a second portion. The first portion and the second portion are arranged in a first direction. The first portion is disposed in the first opening. The second portion is connected to the first portion. The second portion is disposed on the light shielding layer. The second portion does not overlap the first opening. The first spacer is disposed on the second portion.Type: GrantFiled: February 20, 2023Date of Patent: October 24, 2023Assignee: INNOLUX CORPORATIONInventors: Zong-Bai Shi, Hsiu-Tung Lin, Chung-Wen Yen, Wen-Bin Hung, Yi-Pin Jhan
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Patent number: 11789327Abstract: To form a sufficiently large storage capacitor, a liquid crystal display device includes a liquid crystal display panel having a first substrate, a second substrate, and a liquid crystal held between the first substrate and the second substrate, the liquid crystal display panel having multiple pixels arranged in matrix. The first substrate has, in a transmissive display area provided in each of the pixels, a laminated structure containing a first transparent electrode, a first insulating film, a second transparent electrode, a second insulating film, and a third transparent electrode which are laminated in this order. The first transparent electrode and the second transparent electrode are electrically insulated from each other and together form a first storage capacitor through the first insulating film, and the second transparent electrode and the third transparent electrode are electrically insulated from each other and together form a second storage capacitor through the second insulating film.Type: GrantFiled: May 23, 2022Date of Patent: October 17, 2023Assignees: Japan Display Inc., Panasonic Intellectual Property Corporation of AmericaInventors: Tohru Sasaki, Takahiro Ochiai
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Patent number: 11778882Abstract: A display panel includes a base substrate and a plurality of sub-pixel groups. The plurality of sub-pixel groups includes a first sub-pixel group and a second sub-pixel group. The first sub-pixel group includes two adjacent sub-pixels with a first interval therebetween, and the second sub-pixel group includes two adjacent sub-pixels with a second interval therebetween. The first interval is different from the second interval.Type: GrantFiled: March 12, 2021Date of Patent: October 3, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Zhiqiang Xu, Wei Qin, Weixing Liu, Kai Guo, Tieshi Wang
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Patent number: 11768406Abstract: An electronic device is provided. The electronic device includes: a first substrate structure and a second substrate structure. The first substrate structure has first overlapping region, first two protruding regions, a second overlapping region, and second two protruding regions. The second substrate structure is disposed opposite to the first substrate structure and includes a main spacer and a sub spacer. The main spacer overlaps the first overlapping region of the first substrate structure. The sub spacer overlaps the second overlapping region of the first substrate structure. The first overlapping region is located between the first two protruding regions, and the second overlapping region is located between the second two protruding regions.Type: GrantFiled: November 1, 2022Date of Patent: September 26, 2023Assignee: Innolux CorporationInventors: Luca Hung, Lynn Kuo
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Patent number: 11747679Abstract: The present disclosure provides a display panel and a manufacturing method of the display panel. The display panel includes: a display liquid crystal panel including a plurality of sub-pixels arranged in an array; a dimming liquid crystal panel located on a light incident side of the display liquid crystal panel and including a plurality of dimming pixels arranged in an array; and a sealant in a frame shape located between the dimming liquid crystal panel and the display liquid crystal panel, a surface of the sealant close to the dimming liquid crystal panel being adhered to the dimming liquid crystal panel, and a surface of the sealant close to the display liquid crystal panel being adhered to the display liquid crystal panel.Type: GrantFiled: November 7, 2019Date of Patent: September 5, 2023Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jianming Liu, Chaoyue Wang, Wenbo Dong
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Patent number: 11740516Abstract: Display device is provided and includes first substrate; second substrate including transparent conductive film; optical element adhered to transparent conductive film; and connecting member, wherein first substrate includes first region which overlaps second substrate and includes display portion, and second region including electrode, second substrate includes substrate edge located at boundary between first and second regions and the second region in first direction, optical element includes optical element edge located between display portion and substrate edge in second direction intersecting first direction, optical element edge does not overlap substrate edge in plan view, transparent conductive film includes extended portion extending from optical element edge toward substrate edge, connecting member is in contact with substrate edge and electrically connects electrode and extended portion, optical element includes notch, and notch and connecting member are arranged in second direction.Type: GrantFiled: April 27, 2022Date of Patent: August 29, 2023Assignee: Japan Display Inc.Inventors: Yoshikatsu Imazeki, Yoichi Kamijo, Yoshihiro Watanabe, Koichi Miyasaka, Shuichi Osawa
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Patent number: 11716546Abstract: An imaging device includes groupings of photodiodes having four photodiodes. A transfer transistor is between each photodiode and a floating diffusion. Each floating diffusion is coupled to up to two photodiodes per grouping at a time through transfer transistors. A buffer transistor is coupled to each floating diffusion. The buffer transistors may be in a first or second grouping of buffer transistors. A first bit line is coupled to up to two buffer transistors of the first grouping and a second bit line is coupled to up to two buffer transistors of the second grouping of buffer transistors at a time. A color filter array including a plurality of groupings of color filters is disposed over respective photodiodes of the photodiode array, wherein each grouping of color filters includes four color filters having a same color, wherein each grouping of color filters overlaps two groupings of photodiodes.Type: GrantFiled: February 3, 2022Date of Patent: August 1, 2023Assignee: OmniVision Technologies, Inc.Inventors: Qingfei Chen, Rui Wang, Wei Wei Wang, Zhiyong Zhan, Xin Wang, Qingwei Shan, Kenny Geng
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Patent number: 11678548Abstract: A display device is disclosed. The display device includes: a substrate including a first sub-pixel and a second sub-pixel; a first electrode in each of the first sub-pixel and the second sub-pixel; a third electrode in each of the first sub-pixel and the second sub-pixel; a second electrode between the first electrode and the third electrode; a first light-emitting layer between the first electrode and the second electrode, wherein the first light-emitting layer emits light of a first color; a second light-emitting layer between the second electrode and the third electrode, wherein the second light-emitting layer is configured to emit mixed light of second and third colors; and a color filter including a first color filter corresponding to the first sub-pixel and a second color filter corresponding to the second sub-pixel, wherein the first sub-pixel and the second sub-pixel each are configured to emit light of three colors.Type: GrantFiled: August 27, 2019Date of Patent: June 13, 2023Assignee: LG Display Co., Ltd.Inventors: Sungbin Shim, MoonBae Gee
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Patent number: 11668968Abstract: A color filter substrate includes a base substrate, a black matrix layer and a color filter layer. The color filter layer includes a plurality of color photoresist units arranged in an array, the plurality of color photoresist units being formed with a plurality of color photoresist rows, a plurality of first color photoresist columns, a plurality of second color photoresist columns and a plurality of third color photoresist columns, and wherein the color filter layer further includes at least one filling part located between the color photoresist rows and has a thickness equal to that of at least one of the plurality of color photoresist units; and the black matrix layer is disposed between the color filter layer and the base substrate, and includes a plurality of light transmitting windows.Type: GrantFiled: March 4, 2020Date of Patent: June 6, 2023Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiaona Liu, Xibin Shao
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Patent number: 11672155Abstract: A display apparatus includes an organic light-emitting device (“OLED”) substrate which generates and emits a first light, and an encapsulation layer to which the emitted first light from the OLED substrate is incident and from which a second light is emitted. The encapsulation layer includes an inorganic material layer and an organic material layer alternately stacked with each other. The organic material layer includes a plurality of color control elements which color-convert the emitted first light incident to the encapsulation layer. The plurality of color control elements may include a first and second color control element including a first and second quantum dot with which a color of the emitted first light incident to the encapsulation layer is converted to a first and second color, respectively.Type: GrantFiled: January 19, 2022Date of Patent: June 6, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sunghun Lee, Byoungki Choi, Seungyeon Kwak, Jiwhan Kim
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Patent number: 11624953Abstract: A display apparatus includes a light unit to emit blue light, a first base substrate disposed on the light unit, a gate pattern disposed on the first base substrate and including a gate electrode, a first inorganic insulation layer disposed on the gate pattern, a data pattern disposed on the first inorganic insulation layer and including a drain electrode, a light blocking pattern disposed on the first inorganic insulation layer, a second inorganic insulation layer disposed on the data pattern and the first inorganic insulation layer, a pixel electrode disposed on the second inorganic insulation layer, and electrically connected to the drain electrode, a color conversion pattern overlapping the pixel electrode and including a quantum dot or phosphor, and a thin film transistor disposed on the first base substrate, wherein the light blocking pattern overlaps the thin film transistor, and the light blocking pattern is disposed on the first base substrate.Type: GrantFiled: April 21, 2021Date of Patent: April 11, 2023Assignee: Samsung Display Co., Ltd.Inventors: Doyeong Park, Kee-Bum Park, Seongyoung Lee
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Patent number: 11624940Abstract: A light modulation element that can vary between a bright transparent mode and a dark scattering mode is provided. The light modulation element has a first light modulation layer and a second light modulation layer comprising nematic liquid crystals and a dichroic dye in a scattering mode when a voltage is applied. The first light modulation layer and the second light modulation layer are disposed to overlap each other. The light modulation element has an improved contrast ratio and haze-variable characteristics, without precipitation of dichroic dyes and an increase in power consumption.Type: GrantFiled: March 3, 2020Date of Patent: April 11, 2023Inventors: Min Jun Gim, Eun Jung Lim, Jung Sun You, Jin Hong Kim, Hyun Jun Lee, Dong Hyun Oh
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Patent number: 11586083Abstract: A liquid crystal display device includes a first substrate; a switching element including a control electrode disposed on the first substrate, one electrode disposed on the control electrode, and another electrode disposed on the control electrode and spaced apart from the one electrode; a contact hole extending to at least a part of the another electrode of the switching element; a pixel electrode including a contact portion disposed on the another electrode of the switching element and overlapping at least a part of the another electrode to which the contact hole extends, and a body portion electrically connected with the contact portion; and a column spacer disposed on the pixel electrode and at least partially overlapping the contact hole.Type: GrantFiled: March 26, 2020Date of Patent: February 21, 2023Inventors: Jun Bo Sim, Yeun Tae Kim, Do Yeong Park, Se Hyun Lee
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Patent number: 11567374Abstract: The displacement between a TFT substrate and a counter substrate and the cut of an alignment film caused by a columnar spacer are prevented. A liquid crystal display device includes: a TFT substrate including a scanning line extending in a first direction, a picture signal line extending in a second direction, a pixel electrode formed in a region surrounded by the scanning line and the picture signal line, and a common electrode formed as opposed to the pixel electrode through an insulating film; a counter substrate disposed as opposed to the TFT substrate and having a spacer; and a liquid crystal sandwiched between the substrates. A common metal interconnection is formed to cover the picture signal line or the scanning line, and stacked on the common electrode. A through hole is formed on the common metal interconnection. The tip end of the spacer is disposed inside the through hole.Type: GrantFiled: January 20, 2022Date of Patent: January 31, 2023Assignee: Japan Display Inc.Inventors: Masateru Morimoto, Saori Sugiyama, Motoharu Miyamoto
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Patent number: 11567403Abstract: The present disclosure provides a quantum dot color filter, a fabrication method thereof, a display panel and a display device, and belongs to the field of display technology. The quantum dot color filter of the present disclosure includes a quantum dot functional layer configured to emit light of a certain color under excitation of excitation light. The quantum dot functional layer has a hollowed-out portion, which exposes a side surface of the quantum dot functional layer, so that the excitation light is able to arrive at the side surface.Type: GrantFiled: April 29, 2020Date of Patent: January 31, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ge Shi, Ming Zhu, Zheng Fang, Yanliu Sun, Haijun Niu, Shiyu Zhang, Song Yang, Yujie Liu, Yuyao Wang, Jiahui Han, Xiaochuan Chen, Xue Dong
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Patent number: 11561427Abstract: A 3D liquid crystal display panel includes: a first substrate, a second substrate, and a first grating layer including grating openings arranged in an array for realizing 3D display; and a CF layer including a plurality of filter units arranged in an array, a black matrix disposed between adjacent filter units, and at least one light shielding strip disposed inside each of the filter units and dividing each of the filter units into a plurality of light transmitting regions. The 3D liquid crystal display panel is configured to apply voltages to the electrode layer to form a liquid crystal grating in the liquid crystal layer, and a collimated light incident to the liquid crystal layer passes through the liquid crystal grating and pass through the filter unit to form a monochromatic light, and then, is emitted out from the grating openings.Type: GrantFiled: April 29, 2019Date of Patent: January 24, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Zhongxiao Li
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Patent number: 11543713Abstract: A display device includes a first substrate including a plurality of gate lines extending in a first direction, a plurality of data lines extending in a second direction crossing the first direction, and a plurality of pixels connected to the gate lines to the data lines, a second substrate disposed on the first substrate, an image display layer disposed between the first substrate and the second substrate, a plurality of first pads which electrically connected to the gate lines, respectively, where the first pads further protrude outward than a first side surface of the first substrate, a gate driver facing the first pads, and a first adhesive disposed between the gate driver and the first pads. The first adhesive includes a first conductive film and a plurality of first conductive patterns disposed between the first conductive film and the first pads to respectively overlap the first pads.Type: GrantFiled: August 21, 2020Date of Patent: January 3, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Deok-Hwan Kim, Jinseok Kim, Hyoung-Rae Lee, Hasook Kim
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Patent number: 11537254Abstract: A display device includes a display unit, an upper electrode layer, a lower electrode layer and an electrochromic layer. The display unit includes a plurality of light emitting diodes disposed in a light emitting area. The upper electrode layer is disposed on the display unit, and includes a plurality of first electrode patterns and a plurality of second electrode patterns. The first electrode patterns are arranged in a first direction, and are electrically connected each other. The second electrode patterns are arranged in a second direction intersecting the first direction and are electrically connected each other. The lower electrode layer is disposed between the upper electrode layer and the display unit. The electrochromic layer is disposed between the upper electrode layer and the lower electrode layer, and includes an electrochromic pattern.Type: GrantFiled: November 23, 2021Date of Patent: December 27, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Youngchan Kim, Jinoh Kwag, Jeongwoo Park, Jaeho You, Mingyeong Jo
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Patent number: 11502278Abstract: Disclosed herein is a display device including a plurality of light emitting portions arranged in a form of a matrix, a sealing layer disposed on the plurality of light emitting portions, a light shielding layer disposed in a gap between the light emitting portions adjacent to each other in a row direction on the sealing layer and extending in a column direction, a transparent partition wall layer disposed on the light shielding layer and extending in the column direction, and a color filter disposed in a gap in the light shielding layer and the transparent partition wall layer on the sealing layer.Type: GrantFiled: August 27, 2020Date of Patent: November 15, 2022Assignee: JOLED INC.Inventor: Kenichi Matsuoka
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Patent number: 11495647Abstract: Disclosed herein is a display substrate of a display panel, comprising: a support; a second layer on the support; a window extending through the second layer and optically coupled with an image sensor; and a sidewall at least partially surrounding the window; wherein the sidewall is configured to attenuate transmission of light through the sidewall.Type: GrantFiled: February 2, 2019Date of Patent: November 8, 2022Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Yonglin Guo, Tingliang Liu, Kai Zhang, Yuan Yao, Yi Zhang
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Patent number: 11489134Abstract: An organic light-emitting display device and method of manufacturing the same are provided. An organic light-emitting display device includes: a substrate, an organic light-emitting device on the substrate, an encapsulation layer on the substrate and the organic light-emitting device, the encapsulation layer covering the organic light-emitting device, the encapsulation layer including an encapsulation hole, a black matrix covering the encapsulation layer, the black matrix including a black matrix hole over the encapsulation hole, and a color filter in the encapsulation hole and the black matrix hole.Type: GrantFiled: October 23, 2017Date of Patent: November 1, 2022Assignee: LG Display Co., Ltd.Inventors: YongBaek Lee, Ho-Jin Kim, Goeun Jung, Dongyoung Kim
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Patent number: 11474401Abstract: A display panel and a fabrication method thereof, and a display apparatus are provided. The display panel includes: a base substrate, and a display region and a non-display region on the base substrate. The display region has a special shaped boundary, and includes: a plurality of display pixels and transition pixels; the transition pixels are provided between the display pixels and the special-shaped boundary; each of the display pixels and each of the transition pixels respectively include: a first electrode and a second electrode. An area of each of the first electrodes of the transition pixels is different from an area of each of the first electrodes of the display pixels; and/or, an area of each of the second electrodes of the transition pixels is different from an area of each of the second electrodes of the display pixel.Type: GrantFiled: February 12, 2020Date of Patent: October 18, 2022Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Zhaoke Zhang, Bing Wang, Kun Wang, Jun Hong
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Patent number: 11467465Abstract: A reflective display apparatus including a reflective display portion which is two-dimensionally divided into pixels each having subpixels and changes reflectance of each subpixel based on an image signal, and colored layers facing the reflective display portion and partially overlapping the pixels as viewed in a facing direction in which the colored layers face the reflective display portion. The colored layers include traversing colored layers that overlap more than one of the subpixels as viewed in the facing direction, and the colored layers are positioned such that at most one of the colored layers overlaps one of the subpixels as viewed in the facing direction.Type: GrantFiled: May 17, 2019Date of Patent: October 11, 2022Assignee: TOPPAN PRINTING CO., LTD.Inventors: Tomoko Tsuruda, Mamoru Ishizaki
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Patent number: 11460735Abstract: Provided are a display panel and a preparation method thereof, and a display apparatus. The display panel includes a first substrate and a second substrate which are aligned and combined into a cell, wherein the first substrate includes a backlight structure layer and an array structure layer arranged on a side of the backlight structure layer facing the second substrate, the backlight structure layer includes a light guide plate, a grating layer arranged on a side of the light guide plate facing the array structure layer and a refractive layer covering the grating layer, the grating layer includes a plurality of grating units, the array structure layer includes a plurality of pixel electrodes, and the grating units are in one-to-one correspondence with the pixel electrodes.Type: GrantFiled: April 30, 2021Date of Patent: October 4, 2022Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Liwen Dong, Qi Yao, Guangcai Yuan, Feng Zhang, Zhijun Lv, Wenqu Liu, Zhao Cui, Xiaoxin Song, Detian Meng
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Patent number: 11428994Abstract: A substrate having a spacer formed thereon, a method of making the same, and an optical device including the same are disclosed herein. In one embodiment, a substrate includes a base layer, and a black column spacer formed on the base layer, wherein the black column spacer has an optical density in a range of 1.1 to 4, and wherein the black column spacer having a curved portion, wherein a cross section of the curved portion having at least one region having curvature.Type: GrantFiled: January 24, 2020Date of Patent: August 30, 2022Inventors: Cheol Ock Song, Ji Young Hwang, Han Min Seo, Sung Eun Park, Nam Seok Bae, Seung Heon Lee, Jung Sun You
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Patent number: 11415829Abstract: The present invention discloses a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel comprises a first substrate and a second substrate. A first underlay substrate of the first substrate is disposed with an optical sensor. Sensing transistors of the optical sensor includes a first semiconductor. A color filter layer is disposed between the first semiconductor and the first underlay substrate. The color filter layer includes color resist blocks and a light shielding portion. an orthographic projection of the light shielding portion on the first underlay substrate covers an orthographic projection of the first semiconductor on the first underlay substrate.Type: GrantFiled: September 21, 2020Date of Patent: August 16, 2022Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Bao Zha, Miao Jiang, Jiangbo Yao, Lixuan Chen, Xin Zhang
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Patent number: 11409126Abstract: The present disclosure is related to a display panel. The display panel may include a plurality of pixel units. Each of the plurality of pixel units may include a first pixel unit or a second pixel unit. The first pixel unit may include a first light adjusting structure configured to adjust an angle of light that transmits through the first light adjusting structure. The second pixel unit may include a second light adjusting structure configured to adjust an angle of light that transmits through the second light adjusting structure. A plurality of first pixel units may be configured to display a left-eye image. A plurality of second pixel units may be configured to display a right-eye image.Type: GrantFiled: August 29, 2018Date of Patent: August 9, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhongxiao Li, Xue Dong, Xiaochuan Chen, Wenqing Zhao, Jinye Zhu, Chenyu Chen
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Patent number: 11402719Abstract: An electro-optic display includes a first light-transmissive electrode, a layer of an electro-optic medium capable of being switched between an open state and a closed state upon application of an electric field, a second light-transmissive electrode, and a layer having a plurality of retro-reflectors.Type: GrantFiled: December 10, 2019Date of Patent: August 2, 2022Assignee: E Ink CorporationInventors: Timothy G Adams, Jose Hernandez
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Patent number: 11404491Abstract: A display panel and a method of manufacturing the same are provided. The method includes: forming a color filter layer on a glass substrate, the color filter layer including a plurality of color resist matrices having a plurality of colors; forming a black matrix layer between the color resist matrices having the plurality of colors, the black matrix layer including a plurality of black matrices, wherein the black matrices have electrical conductivity, and a position of the black matrices corresponds to a position of a transparent electrode. In the above manner, uniformity of light emission of the display panel can be effectively improved.Type: GrantFiled: December 17, 2019Date of Patent: August 2, 2022Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Xianglong Li
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Patent number: 11398526Abstract: The present disclosure relates to a solid-state imaging device that can achieve a high S/N ratio at a high sensitivity level without any decrease in resolution, and to an electronic apparatus. In the upper layer, the respective pixels of a photoelectric conversion unit that absorbs light of a first wavelength are tilted at approximately 45 degrees with respect to a square pixel array, and are two-dimensionally arranged in horizontal directions and vertical directions in an oblique array. The respective pixels of a photoelectric conversion unit that is sensitive to light of a second or third wavelength are arranged under the first photoelectric conversion unit. That is, pixels that are ?2 times as large in size (twice as large in area) and are rotated 45 degrees are arranged in an oblique array. The present disclosure can be applied to solid-state imaging devices that are used in imaging apparatuses, for example.Type: GrantFiled: April 6, 2020Date of Patent: July 26, 2022Assignee: Sony Semiconductor Solutions CorporationInventor: Atsushi Toda
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Patent number: 11391980Abstract: A display panel, a manufacturing method thereof and a display device are provided. The display panel includes a display area and a frame area surrounding the display area, the display panel includes an array substrate and a color filter substrate opposite to each other, the color filter substrate includes a substrate and first and second support structures arranged on a side of the substrate close to the array substrate, the first support structures are in the display area, and the second support structures are in the frame area; at least part of each first support structure is in contact with the array substrate, and at least part of each second support structure is in contact with the array substrate. The display panel can alleviate or avoid seesaw effect during vacuum assembly and cutting, thereby improving or avoiding display defects of the display panel.Type: GrantFiled: June 25, 2021Date of Patent: July 19, 2022Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei Cao, Yupeng Wang, Jianjun Wang, Jiliang Zhang, Yuting He, Bingyue Wang
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Patent number: 11391994Abstract: An adhesive, a display panel and a manufacturing method thereof, and a display device are provided. The adhesive includes a base bonding material and a light-shielding particle, and the light-shielding particle includes a degradable coating layer and a light-shielding material wrapped by the degradable coating layer.Type: GrantFiled: October 19, 2018Date of Patent: July 19, 2022Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Anxin Dong, Haibin Yin